Sahih al-Bukhari 6591

Arabic

حَدَّثَنَا عَلِيُّ بْنُ عَبْدِ اللَّهِ، حَدَّثَنَا حَرَمِيُّ بْنُ عُمَارَةَ، حَدَّثَنَا شُعْبَةُ، عَنْ مَعْبَدِ بْنِ خَالِدٍ، أَنَّهُ سَمِعَ حَارِثَةَ بْنَ وَهْبٍ، يَقُولُ سَمِعْتُ النَّبِيَّ صلى الله عليه وسلم وَذَكَرَ الْحَوْضَ فَقَالَ ‏ "‏ كَمَا بَيْنَ الْمَدِينَةِ وَصَنْعَاءَ ‏"‏‏.‏

English translation

Narrated Haritha bin Wahb:I heard the Prophet (ﷺ) mentioning the Lake-Fount (Al-Kauthar), saying, "(The width of the Lake-Fount) is equal to the distance between Medina and Sana' (capital of Yemen)

Reference: Sahih al-Bukhari 6591, Book of To make the Heart Tender (Ar-Riqaq). English translation by Dr. Muhammad Muhsin Khan.